One Size Fits Most: Casual style hat, snug and comfortable fit. Hat Circumference: 21-23in, Cap Height: 4.33in, Brim Length: 3.35in, Chin Cord Length: 12.99in. One size suitable for most women. Functional and versatile: The brim is large enough to shade the forehead. The inside of the hat is a layer of breathable mesh, which can greatly improve cooling, comfort and airflow. Above all, a ponytail slit at the back is a thoughtful design for women. The buttons on both sides of the hat can give you more different styles. Material: This fishing cap is made of breathable, quick-drying polyester. UPF provides you with better protection against the sun and harmful rays for your face and neck. Adjustable drawstring: Adjustable drawstring at the chin to fix the hat, especially on windy days. And the other drawstring, which is located behind the fishing hat, is for adjusting the circumference to fit your head size. Easy Storage: Rolled up convenient to carry and absolutely save a lot of space. Perfect hat for beach, pool, park, fishing, hiking, camping, traveling, hunting, gardening or any outdoor sports and activities.